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Finding the Fourth Proportional to 35,345.42, 53,025.42 and 11,971.25

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Solution

The fourth proportional to 35,345.42, 53,025.42 and 11,971.25 is: 17,959.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345.42 : 53,025.42 = 11,971.25 : x
  2. Step 2: Convert to fraction form
    35,345.42/53,025.42 = 11,971.25/x
  3. Step 3: Cross multiply
    35,345.42x = 53,025.42 × 11,971.25
  4. Step 4: Simplify right side
    35,345.42x = 634,780,559.18
  5. Step 5: Solve for x
    x = 634,780,559.18/35,345.42
  6. Step 6: Final answer
    x = 17,959.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.